predicate

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predicate

References

default

Renames and re-exports predicate

pred

Renames and re-exports predicate

Functions

predicate()

function predicate<T>(
   parser, 
   f, 
reason): (reader) => Fail | Ok<T>

Validates result with provided predicate.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type	Default value
parser	t<T>	undefined
f	(value) => boolean	undefined
reason	string	'condition not met'

Returns

Function

Parameters

Parameter	Type
reader	Reader

Returns

Fail | Ok<T>

Defined in

predicate.ts:6